Carotenoid and chlorophyll pigments in species of the genus Helichrysum.
DOI:
https://doi.org/10.52692/1857-0011.2025.2-82.31Keywords:
pigments, chlorophyll, carotenoids, Helichrysum, chemical analysisAbstract
The carotenoid and chlorophyll pigments in plant tissues are valuable because they help protect the photosynthetic apparatus. Spectrophotometric chemical analysis of extracts from species of the genus Helichrysum ( H. arenarium andH. italicum) shows the highest carotenoid levels in the flowers, followed by the aerial parts, leaves and stems: H. arenarii flores - 10.74 mg /% and H. italici flores - 4.41 mg /% in 96% ethanol. Regarding chlorophyll pigments, a higher content of chlorophyll b was determined in leaves (H. arenarium - 10.7 mg /ml and H. italicum - 4.41 mg /ml in 96% ethanol). At the same time, the acetone extraction method revealed a higher chlorophyll a content in the leaves of both species (H. arenarii folia -98,92 mg/ml and H. italici folia - 51,61 mg/ml). These results indicate that both the choice of solvent and the nature of the plant material strongly influence the carotenoid and chlorophyll content.
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